chore(deps-dev): bump inject-markdown from 2.0.0 to 2.1.0

Bumps [inject-markdown](https://github.com/streetsidesoftware/inject-markdown) from 2.0.0 to 2.1.0.
- [Release notes](https://github.com/streetsidesoftware/inject-markdown/releases)
- [Changelog](https://github.com/streetsidesoftware/inject-markdown/blob/main/CHANGELOG.md)
- [Commits](streetsidesoftware/inject-markdown@v2.0.0...v2.1.0)

---
updated-dependencies:
- dependency-name: inject-markdown
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>